Join Claudia McCue for an in-depth discussion in this video Understanding ink types, neutral density, and trapping sequence, part of Acrobat: Preflight and Print Production.
- [Voiceover] Trapping is the process of creating…thin-colored borders where objects overlap.…If those objects don't share a common ink color.…I t's necessary to compensate for slight misregister…on press when the job is printed.…if a joining objects share a common color,…then it's usually not necessary to…create a trap where they intersect.…And trapping isn't usually needed if a job is…going to print on a digital press, now why is that?…The reasons are basically mechanical.…On a digital press, such as the Xerox iGen or HP Indigo,…all of the colors are actually transferred…to the paper stock in one pass.…
So register is, inherently, just a little bit…tighter than on an off-set press,…which applies ink to paper one ink at a time.…Let's take a look at an example job.…Here's the original art.…On the right, the blue dog is nothing but 100% cian.…The yellow dog, 100% yellow.…The magenta cat it's just 100% magenta.…The green cat is 100 cian and 100 yellow.…So, what happens if things are…a bit out of register on press?…
Author
Claudia McCue
Released
6/5/2015Fortunately, Acrobat Pro DC offers extensive tools for analyzing a PDF and determining its suitability for print. In this course, Claudia McCue helps you get the most from these tools, including preflight profiles, the Output Preview options, flattening, page boxes, and printer marks. She also explains the pros and cons of editing content in Acrobat vs. the original authoring applications, and shows how to manage color with the Ink Manager and the Convert Color function. After watching this course, you'll be able to use Acrobat Pro DC to find and fix many common problems before you go to print.
- Analyzing a document
- Using single checks
- Creating and using custom preflight profiles
- Choosing the correct PDF standard for print
- Using Output Preview options
- Editing vectors, images, and text in PDFs
- Controlling page boxes to crop a PDF
- Adding printer marks
- Using Ink Manager
- Creating trap presets
- Converting to PDF with Acrobat Distiller
Skill Level Intermediate
Duration
Views
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Introduction
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Welcome51s
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1. Creating and Using Preflight Profiles
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Analyzing a document7m 2s
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Using single checks3m 41s
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Embedding an audit trail5m 33s
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Using preflight fixups3m 15s
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Creating a droplet6m 7s
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2. Understanding PDF Standards
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Comparing the standards4m 42s
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3. Using Output Preview Options
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Controlling Output Preview11m 24s
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Viewing color warnings2m 29s
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Using the Object inspector3m 14s
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4. Editing Objects
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Changing stacking order3m 1s
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Editing text9m 2s
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5. Converting Colors and Flattening
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Using the flattener controls6m 58s
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6. Controlling Page Boxes
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Understanding page boxes4m 29s
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Using the Crop tool4m 19s
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Using a fixup to crop7m 36s
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7. Adding Printer Marks and Fixing Hairlines
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Adding printer marks3m 41s
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Fixing complicated patterns1m 59s
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8. Using Ink Manager
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9. Creating Trap Presets
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Setting trap preset options7m 13s
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10. Using Acrobat Distiller
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Conclusion
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Next steps1m 54s
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Video: Understanding ink types, neutral density, and trapping sequence